Walleye Trading
AMTM

Walleye Trading’s Amentum Holdings AMTM Stock Holding History

Walleye Trading’s Portfolio AMTM Stock Details AMTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$401K Sell
19,400
-86,900
-82% -$2.1M ﹤0.01% 2811
2026
Q1 		$2.77M Buy
106,300
+94,400
+793% +$2.96M ﹤0.01% 1492
2025
Q4 		$345K Sell
11,900
-11,100
-48% -$284K ﹤0.01% 3063
2025
Q3 		$551K Sell
23,000
-63,800
-74% -$1.55M ﹤0.01% 2672
2025
Q2 		$2.05M Sell
86,800
-45,800
-35% -$957K ﹤0.01% 1709
2025
Q1 		$2.41M Buy
132,600
+113,400
+591% +$2.31M 0.01% 1524
2024
Q4 		$404K Sell
19,200
-20,900
-52% -$540K ﹤0.01% 2778
2024
Q3 		$1.29M Buy
+40,100
New +$1.14M ﹤0.01% 1957

Other funds holding AMTM

AS
American Securities New York $3.75B AUM 23.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Walleye Trading's AMTM Position: Q2 2026 in Review

Walleye Trading sold out of Amentum Holdings (AMTM) in Q2 2026, closing a stake of 28,548 shares — an estimated $690K sold.

Walleye Trading first reported a position in AMTM in Q4 2024 and held it in 3 quarters. The position peaked at $1.25M in Q1 2025. 464 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Walleye Trading reported no remaining Amentum Holdings position as of Q2 2026 after selling out during the quarter.
  • Walleye Trading sold 28,548 Amentum Holdings shares in Q2 2026, an estimated $690K.
  • Walleye Trading first reported a position in Amentum Holdings in Q4 2024 and held it in 3 quarters.
  • Walleye Trading's Amentum Holdings position peaked at $1.25M in Q1 2025.
  • 464 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.